package com.zkj.config;

import com.zkj.interceptor.JwtTokenAdminInterceptor;
import com.zkj.interceptor.JwtTokenUserInterceptor;
import com.zkj.json.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Value("${zkj.model-output.file-save-path}")
    private String fileSavePath;

    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;
    @Autowired
    private JwtTokenUserInterceptor jwtTokenUserInterceptor;

    // 配置admin的拦截器，对登录token验证进行处理
    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        super.addInterceptors(registry);
        registry.addInterceptor(jwtTokenAdminInterceptor).addPathPatterns("/admin/**").excludePathPatterns("/admin/employee/login");
        registry.addInterceptor(jwtTokenUserInterceptor).addPathPatterns("/user/**").excludePathPatterns("/user/user/login").excludePathPatterns("/user/shop/status"); // 获取店铺状态
    }

    @Bean
    public Docket docket1() {
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder().title("苍穹外卖项目接口文档").version("2.0").description(
                "苍穹外卖项目接口文档").build();

        Docket docket =
                new Docket(DocumentationType.SWAGGER_2).groupName("管理端接口").apiInfo(apiInfo).select()
                //指定生成接口需要扫描的包
                .apis(RequestHandlerSelectors.basePackage("com.zkj.controller.admin")).paths(PathSelectors.any()).build();

        return docket;
    }

    @Bean
    public Docket docket2() {
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder().title("苍穹外卖项目接口文档").version("2.0").description(
                "苍穹外卖项目接口文档").build();

        Docket docket =
                new Docket(DocumentationType.SWAGGER_2).groupName("用户端接口").apiInfo(apiInfo).select()
                //指定生成接口需要扫描的包
                .apis(RequestHandlerSelectors.basePackage("com.zkj.controller.user")).paths(PathSelectors.any()).build();

        return docket;
    }

    /**
     * 设置静态资源映射，主要是访问接口文档（html、js、css）
     *
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始设置静态资源映射...");
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF" +
                "/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF" +
                "/resources/webjars/");
        // 设置文件上传路径
        // /files/** 是你希望通过HTTP请求访问文件的路径前缀.
        // file:/Users/username/Desktop/uploads/ 是文件存储的实际路径。
        registry.addResourceHandler("/files/**").addResourceLocations("file:" + fileSavePath);
    }

    /**
     * 扩展Spring MVC框架的消息转化器
     *
     * @param converters
     */
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象转换器可以将Java对象序列化为json数据
        // JacksonObjectMapper 这个转换器会将日期格式进行格式化
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转化器加入容器中
        converters.add(0, converter);
    }

}
